TTLS client: Support phase2_auth=2 am: e45d2dc09a am: b9d60f32d3

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/24167394

Change-Id: I6732b485f6ba53d4e39215b7ecea75aa9dfeff8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>